Cisco DS-C9124-K9 Troubleshooting Guide - Page 184
Isolating Port Issues Using the CLI
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Overview of the FC-MAC Driver and the Port Manager Chapter 8 Troubleshooting Ports Send documentation comments to [email protected] Table 8-2 Useful FC-MAC Port Commands (continued) CLI Command show hardware internal error show hardware internal debug-info interface fc-interface Description Collects interrupt statistics, error statistics, and exception log information for the entire module. Represents an aggregation of a number of debug commands from all ASICs. The information includes interrupt-statistics, error-statistics, exception-log, link-events, and all debug information that is provided by the FC-MAC driver. Note To issue CLI commands with the internal keyword, you must have an account that is a member of the network-admin group. Isolating Port Issues Using the CLI To isolate port issues using the CLI, follow these steps: Step 1 Step 2 Step 3 Step 4 Use the show interface command to determine if the host HBA and the storage port can provide link level connectivity to their respective switches. NPI1# show interface fc2/5 status fc2/5 is down (Offline) NPI2# show interface fc2/5 status fc1/5 is up Port mode is F See Table 8-1 on page 8-3 for details on nonoperational interface reasons. If the port is down and offline, use the no shutdown command to bring the port online. NPI1# config t NPI1(config)# interface fc 2/5 NPI1(config-if)# no shutdown Repeat Step 1 to determine if the port is online. If either of the ports fails to remain in the online state, then you may have a faulty GBIC, cabling or HBA/subsystem port. If both ports are online, use the show flogi command to verify that the Fibre Channel ports for the host and storage have performed a fabric login (FLOGI) and are communicating with their respective switches. Example 8-2 Using the show flogi command NPI1# sh flogi INTERFACE VSAN FCID PORT NAME NODE NAME fc2/5 1 0x7e0200 21:00:00:e0:8b:08:d3:20 20:00:00:e0:8b:08:d3:20 fc2/7 1 0x7e0300 20:00:00:e0:69:41:98:93 10:00:00:e0:69:41:98:93 fc2/11 1 0x7e0100 21:00:00:e0:8b:07:ca:39 20:00:00:e0:8b:07:ca:39 fc2/14 1 0x7e0002 50:06:04:82:c3:a0:98:53 50:06:04:82:c3:a0:98:53 fc8/31 1 0x7e0000 50:06:04:82:c3:a0:98:42 50:06:04:82:c3:a0:98:42 8-12 Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x OL-9285-05